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aiongg
d71b83b2bc
doc_path::resolve uses craft_docpath::resolve_absolute; a path that resolves but is not absolute here is reported as not on this computer. Adds tests for Windows-form, GVFS-relative and colon-in-name paths, and a git-sources check in nix.yml and release.yml.
71 lines
3.3 KiB
Rust
71 lines
3.3 KiB
Rust
//! Paths stored in a file LightCraft reads but the user did not choose path by path, such as the
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//! originals a Lightroom catalog lists.
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//!
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//! Such a path reaches the file system only through [`resolve`]: a relative path is taken from the
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//! document's folder, and only local files, or files on the network share the document itself is
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//! on, are looked at (see `craft_docpath`). A path that is not followed is handled like a missing
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//! file.
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use std::fmt;
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use std::path::{Path, PathBuf};
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pub use craft_docpath::Refused;
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/// Why a stored path is not followed.
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#[derive(Debug, Clone, Copy, PartialEq, Eq)]
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pub enum NotFollowed {
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/// The path is on another computer (other than the document's share), names a device, is a
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/// URL, or is not a usable path.
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Refused(Refused),
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/// The path is not an absolute path on this computer, such as a Windows drive path read on
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/// macOS or Linux.
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NotHere,
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}
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impl fmt::Display for NotFollowed {
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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match self {
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Self::Refused(r) => r.fmt(f),
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Self::NotHere => f.write_str("the path is not a path on this computer"),
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}
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}
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}
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impl std::error::Error for NotFollowed {}
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/// The file to look at for `stored`, a path or `file:` URL stored in the document at `document`,
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/// or why it is not followed. A relative `document` is taken from the working directory, where it
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/// was opened from.
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pub fn resolve(stored: &str, document: Option<&Path>) -> Result<PathBuf, NotFollowed> {
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let document = document.map(|d| if d.is_relative() { std::path::absolute(d).unwrap_or_else(|_| d.to_path_buf()) } else { d.to_path_buf() });
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match craft_docpath::resolve_absolute(stored, document.as_deref()) {
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Ok(path) => Ok(path),
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// A usable path that is not absolute here: a Windows path on macOS or Linux, or a
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// relative path with no document folder to take it from.
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Err(Refused::Invalid) if craft_docpath::resolve(stored, document.as_deref()).is_ok() => Err(NotFollowed::NotHere),
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Err(r) => Err(NotFollowed::Refused(r)),
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}
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn relative_paths_are_taken_from_the_document_folder_and_other_computers_are_refused() {
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let doc = std::env::temp_dir().join("lrcat").join("catalog.lrcat");
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assert_eq!(resolve("Photos/a.jpg", Some(&doc)), Ok(std::env::temp_dir().join("lrcat").join("Photos").join("a.jpg")));
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assert_eq!(resolve("a.jpg", None), Err(NotFollowed::NotHere));
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assert_eq!(resolve(r"\\192.0.2.1\share\x.jpg", Some(&doc)), Err(NotFollowed::Refused(Refused::Network)));
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assert_eq!(resolve("file://192.0.2.1/s/x.jpg", Some(&doc)), Err(NotFollowed::Refused(Refused::Network)));
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assert_eq!(resolve(r"\\.\COM1", Some(&doc)), Err(NotFollowed::Refused(Refused::Device)));
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#[cfg(windows)]
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assert_eq!(resolve("Photos/2024:05/a.jpg", Some(&doc)), Err(NotFollowed::Refused(Refused::Invalid)));
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#[cfg(not(windows))]
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assert_eq!(resolve(r"C:\Photos\a.jpg", Some(&doc)), Err(NotFollowed::NotHere));
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let gvfs = Path::new("/run/user/1000/gvfs/smb-share:server=tokyo,share=photos/catalog.lrcat");
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#[cfg(not(windows))]
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assert_eq!(resolve("a.jpg", Some(gvfs)), Ok(gvfs.with_file_name("a.jpg")));
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}
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}
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